John still can't work out the problem __I have helped him se

John still can't work out the problem __I have helped him se i can't work out the problem.it's too difficult同义句转换 i have 1.Zhang ling can't work out the problem,and I have to __(tel the teacher helped me work out the physics problem could you tell me the way __i work out the problem? He can work out the problem a( If you can't work out the math problem,you can ask your teac We can't work out the physics problem.Can you tell us------- although l can't work out the dificult maths problem,了want t The problem is difficult,I can't work it out.(改同义句) The prob very few students can work out the problem.the teacher had t The problem is very difficult.We can't work it out.The probl